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https://issues.apache.org/jira/browse/HADOOP-19330?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17898318#comment-17898318
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ASF GitHub Bot commented on HADOOP-19330:
-----------------------------------------

hadoop-yetus commented on PR #7151:
URL: https://github.com/apache/hadoop/pull/7151#issuecomment-2476698332

   :confetti_ball: **+1 overall**
   
   
   
   
   
   
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   | +1 :green_heart: |  test4tests  |   0m  0s |  |  The patch appears to 
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   | -0 :warning: |  patch  |  37m 21s |  |  Used diff version of patch file. 
Binary files and potentially other changes not applied. Please rebase and 
squash commits if necessary.  |
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   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  |  20m 47s |  |  hadoop-common in the patch 
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   | +1 :green_heart: |  unit  |   3m 11s |  |  hadoop-aws in the patch passed. 
 |
   | +1 :green_heart: |  asflicense  |   1m  5s |  |  The patch does not 
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   |  |   | 248m 54s |  |  |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.47 ServerAPI=1.47 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7151/5/artifact/out/Dockerfile
 |
   | GITHUB PR | https://github.com/apache/hadoop/pull/7151 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall 
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|
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   |  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7151/5/testReport/ |
   | Max. process+thread count | 3151 (vs. ulimit of 5500) |
   | modules | C: hadoop-common-project/hadoop-common hadoop-tools/hadoop-aws 
U: . |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7151/5/console |
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   | Powered by | Apache Yetus 0.14.0 https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   




> S3AInputStream.finalizer to warn if closed with http connection -then release 
> it
> --------------------------------------------------------------------------------
>
>                 Key: HADOOP-19330
>                 URL: https://issues.apache.org/jira/browse/HADOOP-19330
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 3.4.1
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Major
>              Labels: pull-request-available
>
> A recurring problem is that applications forget to close their input streams; 
> eventually the HTTP connection runs out.
> Having the finalizer close streams during GC will ensure that after a GC the 
> http connections are returned. While this is an improvement on today, it is 
> insufficient
> * only happens during GC, so may not fix problem entirely
> * doesn't let developers know things are going wrong.
> * doesn't let us differentiate well between stream leak and overloaded FS
> proposed enhancements then
> * collect stack trace in constructor
> * log in finalize at warn including path, thread and stack
> * have special log for this, so it can be turned off in production (libraries 
> telling end users off for developer errors is simply an annoyance)



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